3D televisions are going to change in 2011. The quality and the level of content are going to be better. Prototypes of glasses-free televisions have exhibited by many companies. They are going to use the auto stereoscopic display. However the Consumer Electronic Show 2011 is going to bring the first models from Toshiba. The technology of parallax barrier is used by all of these displays. In this technology, zones are basically produced around the television from where the viewers will be able to stand and enjoy the full fledged effect of 3D. With the addition of the passive glasses 3D televisions which need glasses have improved.
Difference between the active glasses and the passive glasses
The active glasses are expensive and heavy and they need batteries. They require being in continuous communication with the IR transmitters on the top of the televisions for staying in sync. Until now they have been the consumer television’s norm. The passive glasses are the similar type of glasses that are used in the movie theatres while watching a film like Avatar. Now these glasses come with several televisions. These glasses are low cost, lightweight and they do not need batteries. In case of the passive glasses there is no need of communication with the television. Your own passive glasses will also work with the television of your friend.
The active glasses in the technical level work by LCD lenses. The lenses are opened and shut for thousand times in a minute for making it sure that right eye’s image is received by the right eye and that of the left eye is received by the left one. The passive glasses functions with the help of polarized lens. The design of the passive glasses reduces crosstalk.
Both Vizio and LG are going to offer the consumers with televisions, which have the technology of passive display, in 2011. All the LCD 3D televisions from LG will be migrated to the passive glasses technology. However, all the 3D plasma televisions from the company will stay with the active technology. Some flagship televisions from LG will be offered with the passive technology.
Cost of a new pair of active or passive glass
A pair of active glass can cost around $150. However you will get these glasses at cheaper prices if you buy from online retailers such as Amazon and many more. A passive glass can come at $5.75.
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